<html>
<head>
    <title>文件</title>
    <meta charset="utf-8"></meta>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"></link>
</head>

<body> 


    <div class="container"> 
        <form action="/files/upload" method="post" enctype="multipart/form-data"> 
            <input type="file" name="file"> 
            <input type="submit" value="上传"> 
        </form>
            </input>
    </div>
</body>
</html>